The book "Modeling of energy-efficient engineering systems", written by the author's team as part of Volkov A. A. , Chelyshkova P. D. and Sedov A. In. is a unique and relevant publication that immerses the reader in the world of modern technologies and innovative approaches to the design of engineering systems. This work will become an indispensable assistant for students, graduate students, engineers and specialists in the field of energy, as well as for anyone interested in sustainable development and energy efficiency issues. The book explores key aspects of engineering systems modeling that play an important role in energy efficiency. The authors offer readers not only theoretical foundations, but also practical recommendations that will help in the creation and optimization of engineering systems. Each chapter is imbued with a deep understanding of the subject and relevant examples, which makes the material accessible and understandable to a wide audience. One of the main themes of the book is the need to transition to more efficient and sustainable technologies in the face of global climate change and the depletion of natural resources. The authors focus on how simulations can help develop systems that not only reduce energy consumption but also minimize negative environmental impacts. This makes the book especially relevant for those who seek environmentally friendly and efficient solutions in their professional activities. The book will be of interest not only to engineers and designers, but also to students of technical specialties who want to understand more deeply how modern engineering systems work. It is also suitable for managers and executives interested in introducing new technologies in their companies. Readers interested in sustainable development will be able to find in it many useful ideas and concepts that can be applied in practice. The style of the authors is distinguished by clarity and logical presentation, which makes it easy to perceive even the most complex concepts. They use a lot of illustrations and diagrams, which makes the material more clear and understandable. This approach helps the reader not only to assimilate information, but also to apply it in real projects. The authors also share their experience and practical cases, which adds additional value to the book. Wolves A. A. , Chelyshkov P. D. and Sedov A. In. well-known specialists in the field of engineering and energy, and their previous work has also been recognized in the professional environment. Their experience and knowledge gathered in this book make it an important contribution to the development of science and practice in the field of energy efficiency. If you are looking for a book that will help you understand the intricacies of modeling engineering systems and give practical recommendations to improve their energy efficiency, then “Modeling energy-efficient engineering systems” will be a real find for you. This work will not only enrich your knowledge, but also inspire new ideas and solutions in your professional activities. Do not miss the opportunity to touch the advanced technologies and learn how to make the world more sustainable and energy efficient!